Bluetooth scanner&colon;Human Interface Device &lpar;HID&rpar; KeyboardSerial Port Profile &lpar;SPP&rpar;&comma; operating as either a master or a slaveUSB wired scanner&comma; USB HID keyboard&comma; USB virtual COMU Disk &lpar;with which barcode data is stored in a txt file rather than sent to a host viaBluetooth&sol;USB&rpar;